Write the augmented matrix for the system. 5x - 2y + 6z = 82 7x + 8y - 2z = 32 4x + 7y + 2z = 49
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify the complex fraction.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857 B. 700 C. 100 D. 0.07
Mathematics
Answer the question.With the exponential function f(x) = ax, why must a ? 1?
What will be an ideal response?
Mathematics
Write the numerator and denominator of the fraction as a product of prime factors. Then write in lowest terms.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics